09bbceba40263cc032e1d3cfcafce08b6f3691cc9ca00054d5d4833d92d62807

Analysis

max time kernel
189s
max time network
260s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:26

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General

Target

市政工程表格/市政资料/007.xls
Size

17KB
MD5

71ad8573c09317468457b2ef3838a4bc
SHA1

2d7d207e5e16dd1154e6f631d8e4f7b69a23278f
SHA256

39074c98a618dd2bd7d7aac3481ef8e55f65f18c124c1a66996e3cbd232aca37
SHA512

7b2b352800c125af4a6a75de90350a51b048f71c728f7375bc8a1ee34c76384d8251d72d8eafa18adb476a1ea7b55842e9f584b3c172eb30876857e5e9639822
SSDEEP

192:EDbp4p4p4p4yLa/R2+SsS4gwztz+48U1N5OHs9VT:G2222yLa/R234xX8GN5OHY

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4636 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE
4636 EXCEL.EXE

pid	process
4636	EXCEL.EXE

pid	process
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE
4636	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\市政工程表格\市政资料\007.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4636-132-0x00007FFD56A30000-0x00007FFD56A40000-memory.dmp

Filesize
64KB

Download
memory/4636-133-0x00007FFD56A30000-0x00007FFD56A40000-memory.dmp

Filesize
64KB

Download
memory/4636-134-0x00007FFD56A30000-0x00007FFD56A40000-memory.dmp

Filesize
64KB

Download
memory/4636-135-0x00007FFD56A30000-0x00007FFD56A40000-memory.dmp

Filesize
64KB

Download
memory/4636-136-0x00007FFD56A30000-0x00007FFD56A40000-memory.dmp

Filesize
64KB

Download
memory/4636-137-0x00007FFD54480000-0x00007FFD54490000-memory.dmp

Filesize
64KB

Download
memory/4636-138-0x00007FFD54480000-0x00007FFD54490000-memory.dmp

Filesize
64KB

Download